CN102746597B - Lightweight plastic-wood composite sheet and preparation method thereof - Google Patents
Lightweight plastic-wood composite sheet and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a lightweight plastic-wood composite sheet and a preparation method thereof. The preparation method comprises the following steps of: firstly stirring PVC particles and tribasic lead sulfate evenly in a stirred tank, and then adding wood flour, LDPE-g-GMA, hollow glass beads, chlorinated polyethylene, ethylene bisstearamide and hard fatty acid butyl ester to the tank, heating up and stirring evenly, cooling and taking out the mixture, and then stirring the mixture evenly with baking soda and citric acid at room temperature, extruding out and molding. The lightweight plastic-wood sheet has the advantages of convenient production and manufacture, high degree of mechanization in the production process, low production cost, low density, light weight, easy installation and maintenance, less use of timber and plastic, turning waste into treasure, being recyclable and not destroyed by insects, no aging and discoloration as well as cracking, no buckling deformation and high impact strength, with the function of adsorbing gas. The lightweight plastic-wood sheet can be applied to a plurality of occasions such as office buildings, hotels and home offices, can be made into products such as photo frames, picture frames, foot lines, and hoisting and fastening boards, and can also be used as suspended beams, pergolas, and the like.
Description
Technical field
The present invention relates to a kind of Wood plastic composite, particularly relate to a kind of lightweight wood plastic composite board and preparation method thereof.
Background technology
In field or places such as decorations, corridors, garden, Chang Daliang is used various sheet material, the sheet material such as that sheet material commonly used has is wooden, aluminium alloy, stainless steel, plastics, gypsum, but wooden boards in use easily makes moist and goes mouldy, damages by worms, or cracking etc.; The aluminum alloy plate materials modifiability is poor, yielding etc.; The stainless steel materials modifiability is poor, and feel is poor, and heaviness is expensive etc.; The easy weather stain of plastic plate, intensity is lower etc.; And gypsum sheet material fragility is large, do not there is recyclability etc.The existence of these defects has often limited use range and the work-ing life of these sheet materials.
Wood plastic composite is to adopt thermoplastic cement, comprise that polyethylene, polypropylene, polystyrene etc. and their multipolymer are as tackiness agent, with wooden powder, as timber, crop stalk, farm crop shell class thing powder, be stopping composition, through mold pressing, injection moulding or a kind of advanced composite material of method moulding such as extrude.Thermoplastic cement raw material wherein can adopt the dead meal of industry or life, and wood powder also can adopt the low-quality timber such as the tankage, small dimension wood of wood working.Therefore mould the woodwork raw material sources extensive, and cheap, be a kind of brand-new, environmental protection goods that there is ecological self-cleaning characteristic, wide development prospect is arranged.It can be used as the wrapping material such as pallet, tr, the storage materials such as bed board, paving beam, finishing, the finishing material such as house, floor, building template, the leisure materials such as the outdoor tables and chairs that the occasions such as park, court, street are used, stool, automobile inside decoration materials, tubing etc.
But conventional Wood plastic composite density is larger, heaviness, transportation, installation, maintenance etc. are all inconvenient, simultaneously, toxic and harmful in can not absorbing environmental, general only as outdoor flooring, be subject to great limitation when field or place are used in decorations, corridor, garden etc.
So, traditional Wood plastic composite is carried out to modification, reduce its density, reduce the cost of its transportation, installation, maintenance, enlarge its range of application, especially the substitute as light weight boards such as wooden, plastics is just very necessary.
Summary of the invention
The objective of the invention is provides a kind of lightweight wood plastic composite board and preparation method thereof for above-mentioned weak point.
The objective of the invention is to be achieved through the following technical solutions:
A kind of lightweight wood plastic composite board and preparation method thereof takes following scheme to realize:
Igelite particle 100,
Wood powder 30-40,
LDPE-g-GMA (glycidyl methacrylate graft Low Density Polyethylene) 5-15,
Hollow glass bead 2-6,
Sodium bicarbonate 2-6,
Citric acid 1-3,
Chlorinatedpolyethylene 2-4,
Lead sulfate tribasic 4-8,
Ethylene bis stearic acid amide 1-3,
Butyl stearate 1-2,
A kind of lightweight wood plastic composite board of the present invention, wherein said wood powder particle diameter is the 60-100 order.
A kind of lightweight wood plastic composite board of the present invention, wherein said hollow glass bead particle diameter is the 100-140 order.
A kind of lightweight wood plastic composite board of the present invention, wherein said chlorinatedpolyethylene is that model is the CPE-H135A chlorinatedpolyethylene.
Preferably, a kind of lightweight wood plastic composite board is prepared from by the raw material that comprises following parts by weight:
Igelite particle 100,
Wood powder 32-38,
LDPE-g-GMA (glycidyl methacrylate graft Low Density Polyethylene) 8-12,
Hollow glass bead 3-5,
Sodium bicarbonate 3-5,
Citric acid 1.5-2.5,
Chlorinatedpolyethylene 2.5-3.5,
Lead sulfate tribasic 5-7,
Ethylene bis stearic acid amide 1.5-2.5,
Butyl stearate 1.2-1.8,
More preferably, a kind of lightweight wood plastic composite board is prepared from by the raw material that comprises following parts by weight:
Igelite particle 100,
Wood powder 35,
LDPE-g-GMA (glycidyl methacrylate graft Low Density Polyethylene) 10,
Hollow glass bead 4,
Sodium bicarbonate 4,
Citric acid 2,
Chlorinatedpolyethylene 3,
Lead sulfate tribasic 6,
Ethylene bis stearic acid amide 2,
Butyl stearate 1.5,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 70-90 ℃ of lower mechanically mixing 10-20min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 115-135 ℃, after stirring 10-20min, the stirring tank temperature is down to 30-50 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 10-20min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, extruder barrel temperature 160-180 ℃, die head temperature 170-180 ℃, complete.
A kind of lightweight wood plastic composite board of the present invention, it is convenient to manufacture, and traditional wood-plastic composite material manufacturing technique can be used for its production and processing without improving, and in production process, mechanization degree is higher, and required labor force is less, and production cost is low.The lightweight wood plastic composite board is compared with wooden boards, by what use less timber, particularly its use, is the tankage of timber industry or the tankage of agriculture production, turn waste into wealth, and recyclable regeneration, cheap, do not damage by worms, not season cracking etc.; The lightweight wood plastic composite board is compared with common plastics sheet material, and amount of plastic used reduces, more friendly to environment, simultaneously can carry out utilization of waste material to this industrial or agricultural scrap stock of wood powder, reduces the products material cost, is difficult for weather stain, can buckling deformation; The lightweight wood plastic composite board is compared with other Wood plastic composite, and density is lower, and weight is lighter, and shock strength is higher, and has the function of adsorbed gas; The lightweight wood plastic composite board is compared with other dalles such as gypsum, aluminium alloy and stainless steel materials, density is less, weight is lighter, cost is lower, installs, safeguards the toxic gases such as convenient, adsorbable chlorine of while, oxynitride, oxysulfide, formaldehyde, be conducive to the improvement of IAQ (indoor air quality), provide a green, health, comfortable living environment to the human consumer, can 100% reclaiming, environmental friendliness.The lightweight wood plastic composite board can be widely used in many occasions such as office building, auditoriums, hotels, telecommuting, can be made into photo frame, picture frame, baseboard, withhold the goods such as plate, also can be used as unsettled crossbeam, rattan teapoy etc.
Embodiment
Below adopt embodiment to illustrate a kind of lightweight wood plastic composite board of the present invention and preparation method thereof.
Embodiment 1
Igelite particle 100kg, wood powder (80 order) 35kg,
LDPE-g-GMA 10kg, hollow glass bead (120 order) 4kg,
Sodium bicarbonate 4kg, citric acid 2kg,
Chlorinatedpolyethylene 3kg, lead sulfate tribasic 6kg,
Ethylene bis stearic acid amide 2kg, butyl stearate 1.5kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 80 ℃ of lower mechanically mixing 15min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 125 ℃, after stirring 15min, the stirring tank temperature is down to 40 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 15min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 170 ℃ of extruder barrel temperature, 175 ℃ of die head temperatures, complete.
Embodiment 2
Igelite particle 100kg, wood powder (60 order) 30kg,
LDPE-g-GMA 5kg, hollow glass bead (100 order) 2kg,
Sodium bicarbonate 2kg, citric acid 1kg,
Chlorinatedpolyethylene 2kg, lead sulfate tribasic 4kg,
Ethylene bis stearic acid amide 1kg, butyl stearate 1kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 70 ℃ of lower mechanically mixing 10min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 115 ℃, after stirring 10min, the stirring tank temperature is down to 30 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 10min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 160 ℃ of extruder barrel temperature, 170 ℃ of die head temperatures, complete.
Embodiment 3
Igelite particle 100kg, wood powder (100 order) 40kg,
LDPE-g-GMA 15kg, hollow glass bead (140 order) 6kg,
Sodium bicarbonate 6kg, citric acid 3kg,
Chlorinatedpolyethylene 4kg, lead sulfate tribasic 8kg,
Ethylene bis stearic acid amide 3kg, butyl stearate 2kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 90 ℃ of lower mechanically mixing 20min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 135 ℃, after stirring 20min, the stirring tank temperature is down to 50 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 20min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 180 ℃ of extruder barrel temperature, 180 ℃ of die head temperatures, complete.
Embodiment 4
Igelite particle 100kg, wood powder (80 order) 32kg,
LDPE-g-GMA 12kg, hollow glass bead (120 order) 3kg,
Sodium bicarbonate 5kg, citric acid 1.5kg,
Chlorinatedpolyethylene 3.5kg, lead sulfate tribasic 5kg,
Ethylene bis stearic acid amide 2.5kg, butyl stearate 1.2kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 70 ℃ of lower mechanically mixing 15min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 135 ℃, after stirring 10min, the stirring tank temperature is down to 40 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 20min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 160 ℃ of extruder barrel temperature, 175 ℃ of die head temperatures, complete.
Embodiment 5
Igelite particle 100kg, wood powder (60 order) 38kg,
LDPE-g-GMA 8kg, hollow glass bead (140 order) 5kg,
Sodium bicarbonate 3kg, citric acid 2.5kg,
Chlorinatedpolyethylene 2.5kg, lead sulfate tribasic 7kg,
Ethylene bis stearic acid amide 1.5kg, butyl stearate 1.8kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 80 ℃ of lower mechanically mixing 20min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 115 ℃, after stirring 15min, the stirring tank temperature is down to 50 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 10min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 170 ℃ of extruder barrel temperature, 180 ℃ of die head temperatures, complete.
Embodiment 6
Igelite particle 100kg, wood powder (60 order) 30kg,
LDPE-g-GMA 8kg, hollow glass bead (100 order) 4kg,
Sodium bicarbonate 5kg, citric acid 3kg,
Chlorinatedpolyethylene 2.5kg, lead sulfate tribasic 6kg,
Ethylene bis stearic acid amide 2.5kg, butyl stearate 2kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 90 ℃ of lower mechanically mixing 10min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 125 ℃, after stirring 20min, the stirring tank temperature is down to 30 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 15min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 180 ℃ of extruder barrel temperature, 170 ℃ of die head temperatures, complete.
Embodiment 7
Igelite particle 100kg, wood powder (100 order) 40kg,
LDPE-g-GMA 14kg, hollow glass bead (140 order) 5kg,
Sodium bicarbonate 6kg, citric acid 2.5kg,
Chlorinatedpolyethylene 2.5kg, lead sulfate tribasic 4kg,
Ethylene bis stearic acid amide 3kg, butyl stearate 1kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 70 ℃ of lower mechanically mixing 10min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 125 ℃, after stirring 15min, the stirring tank temperature is down to 40 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 20min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 160 ℃ of extruder barrel temperature, 170 ℃ of die head temperatures, complete.
Embodiment 8
Igelite particle 100kg, wood powder (60 order) 32kg,
LDPE-g-GMA 10kg, hollow glass bead (120 order) 6kg,
Sodium bicarbonate 4kg, citric acid 2kg,
Chlorinatedpolyethylene 2kg, lead sulfate tribasic 8kg,
Ethylene bis stearic acid amide 1kg, butyl stearate 1.5kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 80 ℃ of lower mechanically mixing 15min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 135 ℃, after stirring 20min, the stirring tank temperature is down to 30 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 10min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 170 ℃ of extruder barrel temperature, 175 ℃ of die head temperatures, complete.
Embodiment 9
Igelite particle 100kg, wood powder (80 order) 35kg,
LDPE-g-GMA 15kg, hollow glass bead (100 order) 2kg,
Sodium bicarbonate 3kg, citric acid 1kg,
Chlorinatedpolyethylene 3kg, lead sulfate tribasic 7kg,
Ethylene bis stearic acid amide 1.5kg, butyl stearate 1.8kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 90 ℃ of lower mechanically mixing 20min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 115 ℃, after stirring 10min, the stirring tank temperature is down to 40 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 15min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 180 ℃ of extruder barrel temperature, 180 ℃ of die head temperatures, complete.
Embodiment 10
Igelite particle 100kg, wood powder (100 order) 38kg,
LDPE-g-GMA 5kg, hollow glass bead (140 order) 4kg,
Sodium bicarbonate 3kg, citric acid 1.5kg,
Chlorinatedpolyethylene 4kg, lead sulfate tribasic 5kg,
Ethylene bis stearic acid amide 2kg, butyl stearate 1.2kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 70 ℃ of lower mechanically mixing 15min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 135 ℃, after stirring 15min, the stirring tank temperature is down to 50 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 10min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 180 ℃ of extruder barrel temperature, 170 ℃ of die head temperatures, complete.。
Embodiment 11
Igelite particle 100kg, wood powder (80 order) 35kg,
LDPE-g-GMA 12kg, hollow glass bead (120 order) 6kg,
Sodium bicarbonate 5kg, citric acid 3kg,
Chlorinatedpolyethylene 3.5kg, lead sulfate tribasic 7kg,
Ethylene bis stearic acid amide 2.5kg, butyl stearate 2kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 80 ℃ of lower mechanically mixing 20min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 115 ℃, after stirring 10min, the stirring tank temperature is down to 30 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 15min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 170 ℃ of extruder barrel temperature, 170 ℃ of die head temperatures, complete.
Embodiment 12
Igelite particle 100kg, wood powder (70 order) 36kg,
LDPE-g-GMA 13kg, hollow glass bead (110 order) 4.8kg,
Sodium bicarbonate 4.5kg, citric acid 1.9kg,
Chlorinatedpolyethylene 3.3kg, lead sulfate tribasic 6.5kg,
Ethylene bis stearic acid amide 1.1kg, butyl stearate 1.7kg,
The preparation method of a kind of lightweight wood plastic composite board of the present invention, it comprises the following steps:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 78 ℃ of lower mechanically mixing 18min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 130 ℃, after stirring 16min, the stirring tank temperature is down to 37 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 14min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, 178 ℃ of extruder barrel temperature, 172 ℃ of die head temperatures, complete.
Below by detection, prove the effect of the embodiment of the present invention 1, its detected result is as follows:
Lightweight wood plastic composite board density: 0.93g/cm
3MOR: 36.5MPa; Shock strength: 18.1kJ/m
2.
These results suggest that lightweight wood plastic composite board of the present invention has lower density, but its MOR and shock strength are all higher, the obvious exceed industry relevant criterion of correlated results.
Claims (7)
1. a lightweight wood plastic composite board is prepared from by the raw material of following parts by weight:
Igelite particle 100,
Wood powder 30-40,
LDPE-g-GMA (glycidyl methacrylate graft Low Density Polyethylene) 5-15,
Hollow glass bead 2-6,
Sodium bicarbonate 2-6,
Citric acid 1-3,
Chlorinatedpolyethylene 2-4,
Lead sulfate tribasic 4-8,
Ethylene bis stearic acid amide 1-3,
Butyl stearate 1-2.
2. a kind of lightweight wood plastic composite board according to claim 1 is prepared from by the raw material of following parts by weight:
Igelite particle 100,
Wood powder 32-38,
LDPE-g-GMA (glycidyl methacrylate graft Low Density Polyethylene) 8-12,
Hollow glass bead 3-5,
Sodium bicarbonate 3-5,
Citric acid 1.5-2.5,
Chlorinatedpolyethylene 2.5-3.5,
Lead sulfate tribasic 5-7,
Ethylene bis stearic acid amide 1.5-2.5,
Butyl stearate 1.2-1.8.
3. a kind of lightweight wood plastic composite board according to claim 2 is prepared from by the raw material of following parts by weight:
Igelite particle 100,
Wood powder 35,
LDPE-g-GMA (glycidyl methacrylate graft Low Density Polyethylene) 10,
Hollow glass bead 4,
Sodium bicarbonate 4,
Citric acid 2,
Chlorinatedpolyethylene 3,
Lead sulfate tribasic 6,
Ethylene bis stearic acid amide 2,
Butyl stearate 1.5.
4. according to the described a kind of lightweight wood plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described wood powder particle diameter is 60 orders-100 orders.
5. according to the described a kind of lightweight wood plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described hollow glass bead particle diameter is the 100-140 order.
6. according to the described a kind of lightweight wood plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described chlorinatedpolyethylene is that model is the CPE-H135A chlorinatedpolyethylene.
7. according to the preparation method of the described a kind of lightweight wood plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that its preparation process is:
(1), by formula ratio, take each raw material;
(2), igelite particle and lead sulfate tribasic are added in stirring tank, at 70-90 ℃ of lower mechanically mixing 10-20min;
(3), wood powder, LDPE-g-GMA, hollow glass bead, chlorinatedpolyethylene, ethylene bis stearic acid amide and butyl stearate are continued to join in above-mentioned stirring tank, be warming up to 115-135 ℃, after stirring 10-20min, the stirring tank temperature is down to 30-50 ℃, compound is taken out from stirring tank;
(4), above-mentioned compound, sodium bicarbonate and citric acid are placed in to stirring at room 10-20min in mechanical stirring kettle, after mixing, add extrusion moulding lightweight wood plastic composite board in forcing machine, extruder barrel temperature 160-180 ℃, die head temperature 170-180 ℃, complete.
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| CN109320985B (en) * | 2018-08-15 | 2021-05-07 | 江苏福瑞森塑木科技股份有限公司 | Colorful antique plastic-wood composite material plate and preparation method thereof |
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| CN101747644A (en) * | 2008-12-16 | 2010-06-23 | 金发科技股份有限公司 | Plant powder modified thermoplastic wood-plastic composite and preparation method and application |
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| CN100999610A (en) * | 2006-01-12 | 2007-07-18 | 中国林业科学研究院木材工业研究所 | Wood plastic composite material composection and formed board thereof and their preparation process |
| CN101654536A (en) * | 2008-08-20 | 2010-02-24 | 北京清大华研科技发展有限公司 | Method for producing nano plastic-wood composite section |
| CN101747644A (en) * | 2008-12-16 | 2010-06-23 | 金发科技股份有限公司 | Plant powder modified thermoplastic wood-plastic composite and preparation method and application |
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